The investigation has determined that lower than expected vitros carbamazepine (crbm) results were obtained from non-vitros mas omnicore quality control fluids using vitros chemistry products crbm slides lot 3905-0114-4783 on a vitros 5600 integrated system.Mas omnicore lot ocr2210 l3 results of 10.6904, 6.7035, 7.0288, 10.6643, 10.1034 and 10.0279 ug/ml vs an expected result of 15.76 ug/ml.Biased results of the magnitude and direction observed may lead to inappropriate physician action if they were to occur undetected on patient samples.The lower than expected vitros crbm results were from a quality control fluid and were not reported from the laboratory.It could not be concluded that patient sample results were not affected.Ortho has not been made aware of any allegation of patient harm as a result of this event.This report is number three of six mdr¿s for this event.Six 3500a forms are being submitted for this event as six devices were involved.This report corresponds to ortho clinical diagnostics inc (ortho) complaint number (b)(4) and ivd (b)(4).
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